{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["city of headquarters", "country of headquarters", "members", "state or province of headquarters"], "input": "He was the adopted son of playwright  Charles MacArthur  and  Helen Hayes  an award-winning actress often referred to as First Lady of the American Theater ."}
{"city of headquarters": [], "country of headquarters": [], "members": [], "state or province of headquarters": []}